public function init() {
		$load_gateways = array(
			'WC_Gateway_BACS',
			'WC_Gateway_Cheque',
			'WC_Gateway_COD',
			'WC_Gateway_Paypal',
		);

		// Filter.
		$load_gateways = apply_filters( 'woocommerce_payment_gateways', $load_gateways );

		// Get sort order option.
		$ordering  = (array) get_option( 'woocommerce_gateway_order' );
		$order_end = 999;

		// Load gateways in order.
		foreach ( $load_gateways as $gateway ) {
			if ( is_string( $gateway ) && class_exists( $gateway ) ) {
				$gateway = new $gateway();
			}

			// Gateways need to be valid and extend WC_Payment_Gateway.
			if ( ! is_a( $gateway, 'WC_Payment_Gateway' ) ) {
				continue;
			}

			if ( isset( $ordering[ $gateway->id ] ) && is_numeric( $ordering[ $gateway->id ] ) ) {
				// Add in position.
				$this->payment_gateways[ $ordering[ $gateway->id ] ] = $gateway;
			} else {
				// Add to end of the array.
				$this->payment_gateways[ $order_end ] = $gateway;
				$order_end++;
			}
		}

		ksort( $this->payment_gateways );
	}